(there is) no smoke without fire British saying
If there's a rumor about someone or something, there must be a good reason for it.
If you didn't steal her purse, so why did she accuse you? There's no smoke without fire.
There must be someone that drives her crazy. There's no smoke without fire.
The accusation may not be wrong. There's no smoke without fire.
There's rumor that ABC bank is going bankrupt. There's no smoke without fire.
When describing someone's behavior, this phrase is used to imply that it is perplexing or perverse.
The saying first appeared in the late 1300s.